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Statement of a problem № 3059

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A man of height 1.8 m walks away from a lamp at a height of 6 m. If the man's speed is 7 m/s, find the speed in m/s at which the tip of the shadow moves.

Solution:
A man of height 1.8 m walks away from a lamp at a height of 6 m. If the man's sp

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